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# Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

# This file was written by Daniel Jacobowitz 

# (parts based on pthreads.exp by Fred Fish (fnf@cygnus.com).

#

# It tests miscellaneous actions with multiple threads, including

# handling for thread exit.

if $tracelevel then {

        strace $tracelevel

}

set prms_id 0

set bug_id 0

set testfile "print-threads"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

# regexp for "horizontal" text (i.e. doesn't include newline or

# carriage return)

set horiz "\[^\n\r\]*"

set built_binfile 0

# Default to the usual (only?) -lpthread on GNU/Linux to quiet noise

if [istarget "*-*-linux*"] then {

    set possible_libs "-lpthread -lpthreads -lthread"

} else {

    set possible_libs "-lpthreads -lpthread -lthread"

}

set why_msg "unrecognized error"

foreach lib $possible_libs {

    set options "debug"

    lappend options "incdir=${objdir}/${subdir}"

    lappend options "libs=$lib"

    set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options]

    switch -regexp -- $ccout {

        ".*no posix threads support.*" {

            set why_msg "missing threads include file"

            break

        }

        ".*cannot open -lpthread.*" {

            set why_msg "missing runtime threads library"

        }

        ".*Can't find library for -lpthread.*" {

            set why_msg "missing runtime threads library"

        }

        {^$} {

            pass "successfully compiled posix threads test case"

            set built_binfile 1

            break

        }

    }

}

if {$built_binfile == "0"} {

    unsupported "Couldn't compile ${srcfile}, ${why_msg}"

    return -1

}

# Now we can proceed with the real testing.

# Start with a fresh gdb.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

gdb_test "set print sevenbit-strings" ""

#gdb_test "set print address off" ""

gdb_test "set width 0" ""

# We'll need this when we send_gdb a ^C to GDB.  Need to do it before we

# run the program and gdb starts saving and restoring tty states.

# On Ultrix, we don't need it and it is really slow (because shell_escape

# doesn't use vfork).

if ![istarget "*-*-ultrix*"] then {

    gdb_test "shell stty intr '^C'" ""

}

proc test_all_threads { name kill } {

    global gdb_prompt

    set i 0

    set j 0

    send_gdb "continue\n"

    gdb_expect {

        -re "Breakpoint \[0-9\]+, thread_function \\(arg=.*\\) at .*print-threads.c:\[0-9\]+.*$gdb_prompt" {

            set i [expr $i + 1]

            pass "Hit thread_function breakpoint, $i ($name)"

            send_gdb "continue\n"

            exp_continue

        }

        -re "Breakpoint \[0-9\]+, .* kill \\(.*\\) .*$gdb_prompt" {

            set j [expr $j + 1]

            if { $kill == 1 } {

                pass "Hit kill breakpoint, $j ($name)"

            } else {

                fail "Hit kill breakpoint, $j ($name) (unexpected)"

            }

            send_gdb "continue\n"

            exp_continue

        }

        -re "Program exited normally\\.\[\r\n\]+$gdb_prompt" {

            pass "program exited normally"

            if {$i == 5} {

                pass "all threads ran once ($name)"

            } else {

                fail "all threads ran once ($name) (total $i threads ran)"

            }

        }

        -re "$gdb_prompt" {

            fail "Running threads ($name) (unknown output)"

        }

        timeout {

            fail "Running threads ($name) (timeout)"

        }

    }

}

runto_main

gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\."

gdb_test "set var slow = 0" ""

test_all_threads "fast" 0

runto_main

gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\." "break thread_function (2)"

gdb_test "set var slow = 1" ""

test_all_threads "slow" 0

runto_main

gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\." "break thread_function (3)"

gdb_test "set var slow = 1" "" "set var slow = 1 (2)"

gdb_test "break kill" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+"

test_all_threads "slow with kill breakpoint" 1

return 0